????:1?????vx:spa????????

2???????

3???????

4????????????

5????????

?????????11???????????????23???????????? (???????)11???23?,????????????????,??????????????????,??12???????????????????????????????????????????????80%?????????????

????????????????????,?????????(??????????????“?????”)?????10????,?40%??

11????????????????23??,???????????????????????????????????????????????? ???????

“???????????????,?????????????????????????????????C909?,?160?????,????200???????????,?????,?????”????????????????????????????????????

????,?5??,????????80??????????????,?????????????????,????????????????????????,???,?????????????????????????

???,???C909?A320?????????????B737NG???????????

???,??,???????????????????????,?????????????????????????,????????????????C909?A320?B737NG?6???12????????,??,??????????80%????????????(?????)

??????????????????????:?????????????????